Matematika

Pertanyaan

diketahui
(i) 4x+3y=5
(ii) 6x-2y=5 berapa nilai x dan y?

1 Jawaban

  • 4x + 3y = 5 (dikali 2)
    6x - 2y = 5 (dikali 3)

    8x + 6y = 10
    18x- 6y = 15 +
    ---------------------
    26x = 25
    x = 25/26

    4x + 3y = 5 (dikali 3)
    6x - 2y = 5 (dikali 2)

    12x + 9y = 15
    12x - 4y = 10 –
    -----------------------
    13y = 5
    y = 5/13

    maaf kalo salah

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